<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    嘿嘿😁
  </body>
</html>

<script src="/socket.io/socket.io.js"></script>
<script>
  // 连接socket服务
  // 参数：服务器地址
  var socket = io("http://localhost:3000");

  socket.on("send", (data) => {
    console.log("接受返回的数据-->", data);
  });

  socket.emit("hehe", { name: "孙悟空", ahe: 500 });
</script>
